Easy
Mid
Hard
Impossble
Einstein
500

1+20

21

500

250x2

500

500

5000x20

100000

500

5-1329

-1324

500

Good job!

Thanks!

1000

30+12

42

1000

100+244

344

1000

100÷20

5

1000

1 millon x 900

900,000,000

1000

1,000,000,000-1,000,000,000,000

999,000,000,000

1500

100+23

123

1500

67x10

670

1500

20+1313

1333

1500

2 millon x 1694

3,388,000,000

1500

5924x56

331744





2000

3000+1

3001

2000

30x3

90

2000

30x30

900

2000

3 millon x 19291

155.5129334923

2000

3,000,000,000÷100 billon

0.03

2500

40+10

50

2500

400x2

800

2500

4500÷3

1500

2500

4 million x 121

484,000,000

2500

1245÷1331

1.0771

M
e
n
u